diff --git a/java/ql/lib/ext/sun.security.pkcs12.model.yml b/java/ql/lib/ext/sun.security.pkcs12.model.yml
deleted file mode 100644
index a59d10811b5..00000000000
--- a/java/ql/lib/ext/sun.security.pkcs12.model.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-extensions:
-  - addsTo:
-      pack: codeql/java-all
-      extensible: sinkModel
-    data:
-      - ["sun.security.pkcs12", "PKCS12KeyStore", False, "calculateMac", "(char[],byte[])", "", "Argument[0]", "credentials-password", "manual"]
-      - ["sun.security.pkcs12", "PKCS12KeyStore", False, "createEncryptedData", "(char[])", "", "Argument[0]", "credentials-password", "manual"]
-      - ["sun.security.pkcs12", "PKCS12KeyStore", False, "encryptContent", "(byte[],char[])", "", "Argument[1]", "credentials-password", "manual"]
-      - ["sun.security.pkcs12", "PKCS12KeyStore", False, "getPBEKey", "(char[])", "", "Argument[0]", "credentials-password", "manual"]
-      - ["sun.security.pkcs12", "PKCS12KeyStore", False, "loadSafeContents", "(DerInputStream,char[])", "", "Argument[1]", "credentials-password", "manual"]